import { defineStore } from 'pinia'

export default defineStore('useTagViewStore', {
    state: () => reactive({
        visitedViews: [],
        cachedViews: [],
        iframeViews: []
    }),
    actions: {
        addView(view) {
            this.addVisitedView(view)
            this.addCachedView(view)
        },
        addIframeView(view) {
            if (this.iframeViews.some(v => v.path === view.path)) return
            this.iframeViews.push(
                Object.assign({}, view, {
                    title: view.meta.title || 'no-name'
                })
            )
        },
        addVisitedView(view) {
            if (this.visitedViews.some(v => v.path === view.path)) return
            this.visitedViews.push(
                Object.assign({}, view, {
                    title: view.meta.title || 'no-name'
                })
            )
        },
        addCachedView(view) {
            if (this.cachedViews.includes(view.name)) return
            if (!view.meta.noCache) {
                this.cachedViews.push(view.name)
            }
        },
        delView(view) {
            return new Promise(resolve => {
                this.delVisitedView(view)
                this.delCachedView(view)
                resolve({
                    visitedViews: [...this.visitedViews],
                    cachedViews: [...this.cachedViews]
                })
            })
        },
        delVisitedView(view) {
            return new Promise(resolve => {
                for (const [i, v] of this.visitedViews.entries()) {
                    if (v.path === view.path) {
                        this.visitedViews.splice(i, 1)
                        break
                    }
                }
                this.iframeViews = this.iframeViews.filter(item => item.path !== view.path)
                resolve([...this.visitedViews])
            })
        },
        delIframeView(view) {
            return new Promise(resolve => {
                this.iframeViews = this.iframeViews.filter(item => item.path !== view.path)
                resolve([...this.iframeViews])
            })
        },
        delCachedView(view) {
            return new Promise(resolve => {
                const index = this.cachedViews.indexOf(view.name)
                index > -1 && this.cachedViews.splice(index, 1)
                resolve([...this.cachedViews])
            })
        },
        delOthersViews(view) {
            return new Promise(resolve => {
                this.delOthersVisitedViews(view)
                this.delOthersCachedViews(view)
                resolve({
                    visitedViews: [...this.visitedViews],
                    cachedViews: [...this.cachedViews]
                })
            })
        },
        delOthersVisitedViews(view) {
            return new Promise(resolve => {
                this.visitedViews = this.visitedViews.filter(v => {
                    return v.meta.affix || v.path === view.path
                })
                this.iframeViews = this.iframeViews.filter(item => item.path === view.path)
                resolve([...this.visitedViews])
            })
        },
        delOthersCachedViews(view) {
            return new Promise(resolve => {
                const index = this.cachedViews.indexOf(view.name)
                if (index > -1) {
                    this.cachedViews = this.cachedViews.slice(index, index + 1)
                } else {
                    this.cachedViews = []
                }
                resolve([...this.cachedViews])
            })
        },
        delAllViews(view) {
            return new Promise(resolve => {
                this.delAllVisitedViews(view)
                this.delAllCachedViews(view)
                resolve({
                    visitedViews: [...this.visitedViews],
                    cachedViews: [...this.cachedViews]
                })
            })
        },
        delAllVisitedViews(view) {
            return new Promise(resolve => {
                const affixTags = this.visitedViews.filter(tag => tag.meta.affix)
                this.visitedViews = affixTags
                this.iframeViews = []
                resolve([...this.visitedViews])
            })
        },
        delAllCachedViews(view) {
            return new Promise(resolve => {
                this.cachedViews = []
                resolve([...this.cachedViews])
            })
        },
        updateVisitedView(view) {
            for (let v of this.visitedViews) {
                if (v.path === view.path) {
                    v = Object.assign(v, view)
                    break
                }
            }
        },
        delRightTags(view) {
            return new Promise(resolve => {
                const index = this.visitedViews.findIndex(v => v.path === view.path)
                if (index === -1) {
                    return
                }
                this.visitedViews = this.visitedViews.filter((item, idx) => {
                    if (idx <= index || (item.meta && item.meta.affix)) {
                        return true
                    }
                    const i = this.cachedViews.indexOf(item.name)
                    if (i > -1) {
                        this.cachedViews.splice(i, 1)
                    }
                    if (item.meta.link) {
                        const fi = this.iframeViews.findIndex(v => v.path === item.path)
                        this.iframeViews.splice(fi, 1)
                    }
                    return false
                })
                resolve([...this.visitedViews])
            })
        },
        delLeftTags(view) {
            return new Promise(resolve => {
                const index = this.visitedViews.findIndex(v => v.path === view.path)
                if (index === -1) {
                    return
                }
                this.visitedViews = this.visitedViews.filter((item, idx) => {
                    if (idx >= index || (item.meta && item.meta.affix)) {
                        return true
                    }
                    const i = this.cachedViews.indexOf(item.name)
                    if (i > -1) {
                        this.cachedViews.splice(i, 1)
                    }
                    if (item.meta.link) {
                        const fi = this.iframeViews.findIndex(v => v.path === item.path)
                        this.iframeViews.splice(fi, 1)
                    }
                    return false
                })
                resolve([...this.visitedViews])
            })
        }
    }
})

